…In the postwar reconstruction period, in the late 1940s, new 275kV transmission lines were constructed in Japan, 380kV in Europe, and 330kV in the United States. This voltage class is called extra high voltage, or EHV (short for extra high voltage). More precisely, in Japanese standards, transmission lines with a nominal voltage of 187kV or higher are called extra high voltage transmission lines. … *Some of the terminology that mentions "extra high voltage" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…戦後の復興期,昭和20年代の後半に日本では275kV,ヨーロッパでは380kV,アメリカでは330kVの送電線があらたに建設された。この電圧階級を超高圧,あるいはEHV(extra high voltageの略)という。より正確には日本の規格では公称電圧187kV以上の送電線を超高圧送電と呼んでいる。… ※「extra high voltage」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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